Grinding, refining, and mixing machine



June 2.6, 1928...

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.Patented June 26,1928.

UNITED STATES PATENT oFEi-CE;

SWINFEN BRMLEY-IMOORE, OF WHITE PLAINS, NEW YORK, ASSIGNOR 0F ONE-HALF TO JOHN MOINTYRE, y0F PORTOBELLO, MIDLOTHIAN', SCOTLAND.

GRINDING, REFINING, ANDMIXING MACHINE.

The present invention relates to grinding,

refining and mixing machines for grinding, reiining and mixing' cocoa beans, chocolate chemicals and other similar substances, and v aims to 'provide a novel assembly of a resilient grinding element and pressure member with, which said element movesl this invention being an improvement over the device disclosed in application Serial No. 153,011, filed December 6, 1926, by John McIntyre.

With the foregoing andvother ob'ects in view, which will be apparent as the escription proceeds, the invention resides in the construction and arrangement -of parts, as

hereinafter described and claimed, it being understood that changes can be made within the scope of what is claimed, without departing from the spirit of the invention.

The invention is illust-rated in the accompanying drawing, wherein- Figure 1 is a rear edge view of the improved device.

Fig. 2 is an end view thereof. The grinding element comprises a plate or blade 7 composed of suitable resilient sheet metal, which is elongated transversely of the line of movement thereof yor parallel to the axis arolmd which the grinding element moves. The blade 7 is carried by one or more .blades or plates 8, also of resilient sheet metal, with joint means 9 between the blade 7 and plates 8. Rods 10 are disposed on the face of the blade 7 and are spaced apart on the opposite sidesof the longitu- 85 dinal line of the joint 9, said rods being attached to the blade 7 in the manner disclosed in the aforesaid application'. v

The joint 9 is ahinge joint to permit of flexing action between the blade 7 and plate 40 8, and to distribute the pressure from the plates 8 equally to the rods 10 in front and in rear of the hinge joint. The hinge joint includes lugs 11 riveted or otherwise Secured to the blade 7 and plates 8 and one or more hinge rods 12 extending through said lugs'.

Lugs or blocks 13 are also riveted -or otherwise secured to the blade 7 and plates 8 and complement the lugs 11, said lugs 11 having rounded portions seating in rounded notches with which the lugs 13 are provided, -in order that the pressure of the plates 8 is transmitted to the blade 7.

.Application nled October 7, 1927. Serial No.' 224,683.

vbending or springing the plates 8 and applying spring pressure to theblade 7 and rods 10. "f lhe hlnge jointA 9 permits yof relative swinging motion between the. blade The plates 8 are secured in any suitable 7 and plates 8 in order thatrthe blade 7 may l adjust itself to the surface of the cylinder 16, and the frontl and rear rods 10 will also recelve equal pressure so as to equalize wear thereon, whereas the rods in the construction disclosed in the aforesaid application will Wear unevenly as well as receiving varying pressures.' The blade 7 is also Sprung under l the pressure'of thefplates 8 which is transmitted through the hinge joint 9. With the use of the hinge joint 9 the grinding element 1s self-adjusting and the load or pressure is distributed uniformly betweeny the front and rear rods 10, which has been found to de-v crease the power required as well as to evenly distribute t-he wear and increase the life of the grinding element.

Having thus described the invention, what lis claimed as new 1s:-

1. A. device of the character described comprlsing a resilient blade`having front and rear grinding portions, and pressure `applying means hingedly connected to said blade at a point to apply pressure between said'lfront and rear grinding portions.'

2. A device of the character described comprising a resilient blade having fronty and rear grinding portions, pressure applying means including a resilient plate, and a hinge joint connecting said blade and plate.

3.- A device of the character described said late lto the blade at a point between said ront. and rear grinding portions.

4.-. A device of the character described I blade and plate, the first-named lugs hzwingv rounded portions and the second-named klugs having rounded notches in which said 10 rounded portions are seated to transmit the pressure from said plate to said blade.

In testimony whereof I hereunto affix my signature.

.SWINFEN BRAMLiEY-MOORE. 

